ImageCapture: wire PhotoCapabilities' ISO, width, height and PhotoSettings' width and height

third_party/WebKit/Source/modules/imagecapture/PhotoCapabilities.idl

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // https://w3c.github.io/mediacapture-image/index.html#idl-def-PhotoCapabilities
 
 enum FocusMode {
     "unavailable",
     "auto",
     "manual"
 };
 
 [
     RuntimeEnabled=ImageCapture,
 ] interface PhotoCapabilities {
+    readonly attribute MediaSettingsRange iso;
+    readonly attribute MediaSettingsRange imageHeight;
+    readonly attribute MediaSettingsRange imageWidth;
     readonly attribute MediaSettingsRange zoom;
     readonly attribute FocusMode focusMode;
     // TODO(mcasas): Implement all other PhotoCapabilities fields
     // https://crbug.com/518807
 };